General criterion for the absence of limit cycles in filter structures with a single quantizer. - Timo I. Laakso; Paulo S. R. Diniz; Iiro Hartimo (ICASSP, 1991)

Error feedback for floating-point cascade-form digital filters. - Bing Zeng; Timo I. Laakso; Iiro Hartimo; Yrjö Neuvo (ICASSP, 1991)

Transmission-Line Modeling and Real-Time Synthesis of String and Wind Instruments. - Matti Karjalainen; Unto K. Laine; Timo I. Laakso; Vesa Välimäki (ICMC, 1991)

Real-Time Implementation Techniques for a Continuously Variable Digital Delay in Modeling Musical Instruments. - Timo I. Laakso; Vesa Välimäki; Matti Karjalainen; Unto K. Laine (ICMC, 1992)

Noise reduction in recursive digital filters using high-order error feedback. - Timo I. Laakso; Iiro Hartimo (IEEE Trans. Signal Process., 1992)

Designing allpass filters using the eigenfilter method. - Timo I. Laakso; T. Q. Nguyen; Ravinder David Koilpillai (ICASSP (3), 1993)

Modeling of Woodwind Bores with Finger Holes. - Vesa Välimäki; Matti Karjalainen; Timo I. Laakso (ICMC, 1993)

Optimal polynomial predictors with application specific prefilters. - Timo I. Laakso; Seppo J. Ovaska (ISCAS, 1993)

Fractional delay digital filters. - Vesa Välimäki; Matti Karjalainen; Timo I. Laakso (ISCAS, 1993)

Elimination of limit cycles in direct form digital filters using error feedback. - Timo I. Laakso (Int. J. Circuit Theory Appl., 1993)

Implementation of a time-varying MIMO system with error feedback. - Timo I. Laakso; Seppo J. Ovaska; Olli Vainio (Signal Process., 1993)

Design of Limit-Cycle-Free Recursive Transfer Functions for Fixed-Point Direct Form Implementation. - Timo I. Laakso; Markus Lang; Tapio Saramäki (ISCAS, 1994)

Adaptive Control of Sampling Rate Using a Local Time-Domain Sampling Theorem. - Philip E. Luft; Timo I. Laakso (ISCAS, 1994)

On Perfect-Reconstruction Allpass-Based Cosine-Modulated IIR Filter Banks. - Truong Q. Nguyen; Timo I. Laakso; T. Engin Tuncer (ISCAS, 1994)

Eigenfilter approach for the design of allpass filters approximating a given phase response. - Truong Q. Nguyen; Timo I. Laakso; Ravinder David Koilpillai (IEEE Trans. Signal Process., 1994)

Tunable downsampling using fractional delay filters with applications to digital TV transmission. - Timo I. Laakso; Vesa Välimäki; Jukka Henriksson (ICASSP, 1995)

Elimination of Transients in Time-Varying Allpass Fractional Delay Filteres with Applications to Digital Waveguide Modeling. - Vesa Välimäki; Timo I. Laakso; Jonathan P. Mackenzie (ICMC, 1995)

Elimination of limit cycles in a direct form delta operator filter. - Juha Kauraniemi; Timo I. Laakso (EUSIPCO, 1996)

Roundoff noise minimization in a direct form delta operator structure. - Juha Kauraniemi; Timo I. Laakso; Iiro Hartimo; Seppo J. Ovaska (ICASSP, 1996)

Application of NUT-DFT for resampling nonuniformly sampled signals. - Denise M. Bland; Timo I. Laakso; Andrzej Tarczynski (ICECS, 1996)

Applying IIR predictors on Rayleigh fading signal. - P. Taneli Harju; Timo I. Laakso; Seppo J. Ovaska (Signal Process., 1996)

Splitting the unit delay [FIR/all pass filters design]. - Timo I. Laakso; Vesa Välimäki; Matti Karjalainen; Unto K. Laine (IEEE Signal Process. Mag., 1996)

Prefiltering approach for optimal polynomial prediction. - Timo I. Laakso; Seppo J. Ovaska (IEEE Trans. Signal Process., 1996)

Tracking of mobile users in a mobile communications system using adaptive convergence parameter. - P. T. Karttunen; Timo I. Laakso; Joseph Lilleberg (PIMRC, 1997)

Step-size optimization of the BNDR-LMS algorithm. - José Antonio Apolinário; Paulo S. R. Diniz; Timo I. Laakso; Marcello L. R. de Campos (EUSIPCO, 1998)

Constrained normalized adaptive filters for CDMA mobile communications. - José Antonio Apolinário; Stefan Werner 001; Paulo S. R. Diniz; Timo I. Laakso (EUSIPCO, 1998)

Relaxed look-ahead technique for pipelined implementation of adaptive multiple-antenna CDMA mobile receivers. - Ramin Baghaie; Stefan Werner 001; Timo I. Laakso (EUSIPCO, 1998)

Pipelined implementation of adaptive multiple-antenna CDMA mobile receivers. - Ramin Baghaie; Stefan Werner 001; Timo I. Laakso (ICASSP, 1998)

Suppression of transients in time-varying recursive filters for audio signals. - Vesa Välimäki; Timo I. Laakso (ICASSP, 1998)

Adaptive multiple-antenna receiver for CDMA mobile reception. - Stefan Werner 001; Timo I. Laakso; Jorma Lilleberg (ICC, 1998)

Suppression of transients in variable recursive digital filters with a novel and efficient cancellation method. - Vesa Välimäki; Timo I. Laakso (IEEE Trans. Signal Process., 1998)

Iterative multiuser receiver utilizing soft decoding information. - Kimmo Kettunen 002; Timo I. Laakso (ICC, 1999)

Energy-based effective length of the impulse response of a recursive filter. - Timo I. Laakso; Vesa Välimäki (IEEE Trans. Instrum. Meas., 1999)

Principles of fractional delay filters. - Vesa Välimäki; Timo I. Laakso (ICASSP, 2000)

Polynomial filtering approach to reconstruction and noise reduction of nonuniformly sampled signals. - Timo I. Laakso; Andrzej Tarczynski; N. Paul Murphy; Vesa Välimäki (Signal Process., 2000)

Adaptive Steiglitz-McBride notch filter design for radio interference suppression in VDSL systems. - Yaohui Liu 006; Paulo S. R. Diniz; Timo I. Laakso (GLOBECOM, 2001)

Closed-form design of tunable fractional-delay allpass filter structures. - Martin Makundi; Vesa Välimäki; Timo I. Laakso (ISCAS (4), 2001)

Asynchronous implementation of transient suppression in tunable IIR filters. - Martin Makundi; Timo I. Laakso; Yaohui Liu 006 (DSP, 2002)

Cascaded-parallel adaptive notch filter based on orthogonal decomposition. - Yaohui Liu 006; Paulo S. R. Diniz; Timo I. Laakso (ISCAS (4), 2003)

Efficient symbol synchronization techniques using variable FIR or IIR interpolation filters. - Martin Makundi; Timo I. Laakso (ISCAS (3), 2003)

Generalized symbol synchronization using variable IIR and FIR fractional-delay filters with arbitrary oversampling ratios. - Martin Makundi; Timo I. Laakso; Are Hjørungnes (ICASSP (2), 2004)

Iterative symbol synchronization using variable IIR and FIR fractional-delay filters with arbitrary oversampling ratios. - Martin Makundi; Timo I. Laakso; Are Hjørungnes (ISWCS, 2004)

RFI cancellation in VDSL systems using a novel complex allpass-based IIR adaptive notch filter. - Fernando H. Gregorio; Juan E. Cousseau; Timo I. Laakso (EUSIPCO, 2005)

A novel carrier allocation method for multiuser OFDM system with amplifier nonlinearities. - Fernando H. Gregorio; Timo I. Laakso (EUSIPCO, 2005)

A set-membership approach to normalized proportionate adaptation algorithms. - Stefan Werner 001; José Antonio Apolinário; Paulo S. R. Diniz; Timo I. Laakso (EUSIPCO, 2005)

Closed-form design of digital fractional-delay filters with constant magnitude and variable delay. - Xiaojing Zhang; Martin Makundi; Timo I. Laakso (EUSIPCO, 2005)

An interpolation-based high-precision frequency acquisition method for OFDM systems. - Martin Makundi; Are Hjørungnes; Timo I. Laakso (GLOBECOM, 2005)

Predistorter design employing parallel piecewise linear structure and inverse coordinate mapping for broadband communications. - Mei Yen Cheong; Stefan Werner 001; Timo I. Laakso; Juan E. Cousseau; José Luis Figueroa (EUSIPCO, 2006)

Multichannel fast QR-decomposition RLS algorithms with explicit weight extraction. - Mobien Shoaib; Stefan Werner 001; José Antonio Apolinário; Timo I. Laakso (EUSIPCO, 2006)

Solution to the Weight Extraction Problem in Fast QR-Decomposition RLS Algorithms. - Mobien Shoaib; Stefan Werner 001; José Antonio Apolinário; Timo I. Laakso (ICASSP (3), 2006)

Receiver Cancellation of Nonlinear Power Amplifier Distortion in SDMA-OFDM Systems. - Chin-Liang Wang; Timo I. Laakso; Juan E. Cousseau (ICASSP (4), 2006)

Equivalent output-filtering using fast QRD-RLS algorithm for burst-type training applications. - Mobien Shoaib; Stefan Werner 001; J. A. Apolinário Jr.; Timo I. Laakso (ISCAS, 2006)

Iterative Channel Estimation for Multiuser OFDM Systems in the Presence of Power Amplifier Nonlinearities. - Fernando H. Gregorio; Stefan Werner 001; Juan E. Cousseau; Timo I. Laakso (PIMRC, 2006)

Adaptive control of a Wiener type system: application of a pH Neutralization reactor. - José L. Figueroa; Juan E. Cousseau; Stefan Werner 001; Timo I. Laakso (Int. J. Control, 2007)

Efficient Nonlinear Wiener Model Identification Using a Complex-Valued Simplicial Canonical Piecewise Linear Filter. - Juan E. Cousseau; Jose L. Figueroa; Stefan Werner 001; Timo I. Laakso (IEEE Trans. Signal Process., 2007)

Receiver Cancellation Technique for Nonlinear Power Amplifier Distortion in SDMA-OFDM Systems. - Fernando H. Gregorio; Stefan Werner 001; Timo I. Laakso; Juan E. Cousseau (IEEE Trans. Veh. Technol., 2007)

Canceling and Selecting Partials from Musical Tones Using Fractional-Delay Filters. - Heidi-Maria Lehtonen; Vesa Välimäki; Timo I. Laakso (Comput. Music. J., 2008)

Prototype Implementation of Two Efficient Low-Complexity Digital Predistortion Algorithms. - Ernst Aschbacher; Mei Yen Cheong; Peter Brunmayr; Markus Rupp; Timo I. Laakso (EURASIP J. Adv. Signal Process., 2008)

Quantization Noise Reduction Techniques for Digital Pulsed RF Signal Generation Based on Quadrature Noise Shaped Encoding. - Henri Ruotsalainen; Holger Arthaber; Timo I. Laakso; Gottfried Magerl (IEEE Trans. Circuits Syst. I Regul. Pap., 2014)